File: preload-kernarg-header.ll

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llvm-toolchain-19 1%3A19.1.7-3~deb12u1
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -asm-verbose=0 < %s | FileCheck -check-prefixes=GCN,HSA,ASM %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -filetype=obj < %s | llvm-objdump --arch=amdgcn --mcpu=gfx940 --disassemble - | FileCheck -check-prefixes=GCN,HSA,OBJ %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -filetype=obj < %s | llvm-objdump --arch=amdgcn --mcpu=gfx940 --disassemble - | FileCheck -check-prefixes=GCN,NON-HSA,OBJ %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -asm-verbose=0 < %s | llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx940 -filetype=obj | llvm-objdump --arch=amdgcn --mcpu=gfx940 --disassemble - | FileCheck -check-prefixes=GCN,HSA,OBJ %s

; GCN: preload_kernarg_header
; HSA: s_trap 2
; NON-HSA: s_endpgm
; ASM: .fill 63, 4, 0xbf800000 ; s_nop 0
; OBJ-COUNT-63: s_nop 0
define amdgpu_kernel void @preload_kernarg_header(ptr inreg %arg) {
    store ptr %arg, ptr %arg
    ret void
}

; GCN: non_kernel_function
; GCN-NOT: s_trap 2
; GCN-NOT: s_nop 0
; GCN: flat_store
define void @non_kernel_function(ptr %arg) {
    store ptr %arg, ptr %arg
    ret void
}